My gr gr grf Peter Poh settled in Philadephia in 1834 and moved on to Manitowoc Rapids, Wis. in 1847.
A Phillip Poh settled in Cincinnati in the 1840s, then Milwaukee in 1846-47, then Manitowoc Rapids, then Nebraska. His descendants moved on to California.
Peter and Phillip lived in Manitowoc Rapids at the same time, but I have not found the presumed family connection. Both families were Catholic. I have much information I can share on both of these families.
My Peter Poh was born in 1814 in Hambach (near Neustadt), Rheipfalz, which was part of the Kingdom of Bavaria.
Many if not all of the German Poh families seem to radiate out from Hambach or immediate vicinity. Variations of the name show up in the church records there in the early 1600s.